WIP. Added Account and Audio forms

2014-08-01 00:05:44 +02:00
parent 1f41f7f481
commit 1cdb69e4eb
18 changed files with 830 additions and 160 deletions
@@ -0,0 +1,178 @@
+#include <vector>
+
+#include <Wt/WStringListModel>
+#include <Wt/WFormModel>
+#include <Wt/WComboBox>
+#include <Wt/WPushButton>
+
+#include "common/Validators.hpp"
+
+#include "SettingsAudioFormView.hpp"
+
+namespace UserInterface {
+namespace Settings {
+
+class AudioFormModel : public Wt::WFormModel
+{
+	public:
+
+		// Associate each field with a unique string literal.
+		static const Field BitrateField;
+
+		AudioFormModel(SessionData& sessionData, std::string userId, Wt::WObject *parent = 0)
+			: Wt::WFormModel(parent),
+			_db(sessionData.getDatabaseHandler()),
+			_userId(userId)
+		{
+			initializeModels();
+
+			addField(BitrateField);
+
+			setValidator(BitrateField, new Wt::WValidator(true)); // mandatory
+
+			// populate the model with initial data
+			loadData();
+		}
+
+		Wt::WAbstractItemModel *bitrateModel() { return _bitrateModel; }
+
+		void loadData()
+		{
+			Wt::Dbo::Transaction transaction(_db.getSession());
+
+			Database::User::pointer user = Database::User::getById( _db.getSession(), _userId);
+
+			if (user)
+				setValue(BitrateField, std::min(user->getMaxAudioBitrate(), user->getAudioBitrate()) / 1000); // in kps
+			else
+				setValue(BitrateField, Wt::WString());
+		}
+
+		bool saveData(Wt::WString& error)
+		{
+			// DBO transaction active here
+			try {
+				Wt::Dbo::Transaction transaction(_db.getSession());
+
+				Database::User::pointer user = Database::User::getById( _db.getSession(), _userId);
+				// user may have been deleted by someone else
+				if (user)
+				{
+					user.modify()->setAudioBitrate( Wt::asNumber(value(BitrateField)) * 1000); // in kbps
+				}
+
+			}
+			catch(Wt::Dbo::Exception& exception)
+			{
+				std::cerr << "Dbo exception: " << exception.what() << std::endl;
+				return false;
+			}
+
+			return true;
+		}
+
+	private:
+		void initializeModels()
+		{
+			Wt::Dbo::Transaction transaction(_db.getSession());
+
+			Database::User::pointer user = Database::User::getById(_db.getSession(), _userId);
+
+			_bitrateModel = new Wt::WStringListModel();
+			BOOST_FOREACH(std::size_t bitrate, Database::User::audioBitrates)
+			{
+				if (user && bitrate <= user->getMaxAudioBitrate())
+					_bitrateModel->addString( Wt::WString("{1}").arg( bitrate / 1000 ) ); // in kbps
+			}
+		}
+
+		Database::Handler&	_db;
+		std::string		_userId;
+		Wt::WStringListModel*	_bitrateModel;
+};
+
+const Wt::WFormModel::Field AudioFormModel::BitrateField = "bitrate";
+
+AudioFormView::AudioFormView(SessionData& sessionData, std::string userId, Wt::WContainerWidget *parent)
+: Wt::WTemplateFormView(parent)
+{
+
+	_model = new AudioFormModel(sessionData, userId, this);
+
+	setTemplateText(tr("audioForm-template"));
+	addFunction("id", &WTemplate::Functions::id);
+	addFunction("block", &WTemplate::Functions::id);
+
+	_applyInfo = new Wt::WText();
+	_applyInfo->setInline(false);
+	_applyInfo->hide();
+	bindWidget("apply-info", _applyInfo);
+
+	// Bitrate
+	Wt::WComboBox *bitrateCB = new Wt::WComboBox();
+	setFormWidget(AudioFormModel::BitrateField, bitrateCB);
+	bitrateCB->setStyleClass("span2");
+	bitrateCB->setModel(_model->bitrateModel());
+	bitrateCB->changed().connect(_applyInfo, &Wt::WWidget::hide);
+
+	// Title & Buttons
+	bindString("title", "Audio settings");
+
+	Wt::WPushButton *saveButton = new Wt::WPushButton("Apply");
+	saveButton->setStyleClass("btn-primary");
+	bindWidget("save-button", saveButton);
+	saveButton->clicked().connect(this, &AudioFormView::processSave);
+
+	Wt::WPushButton *cancelButton = new Wt::WPushButton("Discard");
+	bindWidget("cancel-button", cancelButton);
+	cancelButton->clicked().connect(this, &AudioFormView::processCancel);
+
+
+	updateView(_model);
+
+}
+
+void
+AudioFormView::processCancel()
+{
+	_applyInfo->show();
+
+	_applyInfo->setText( Wt::WString::fromUTF8("Parameters reverted!"));
+	_applyInfo->setStyleClass("alert alert-info");
+	_model->loadData();
+
+	_model->validate();
+	updateView(_model);
+}
+
+void
+AudioFormView::processSave()
+{
+	updateModel(_model);
+
+	_applyInfo->show();
+	if (_model->validate())
+	{
+		Wt::WString error;
+		// commit model into DB
+		if (_model->saveData(error) )
+		{
+			_applyInfo->setText( Wt::WString::fromUTF8("New parameters successfully applied!"));
+			_applyInfo->setStyleClass("alert alert-success");
+		}
+		else
+		{
+			_applyInfo->setText( Wt::WString::fromUTF8("Cannot apply new parameters: ") + error);
+			_applyInfo->setStyleClass("alert alert-danger");
+		}
+	}
+	else
+	{
+		_applyInfo->setText( Wt::WString::fromUTF8("Cannot apply new parameters!"));
+		_applyInfo->setStyleClass("alert alert-danger");
+	}
+	updateView(_model);
+}
+
+} // namespace Settings
+} // namespace UserInterface